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May 2, 2014

Cracked Columbia River dam is not anchored in bedrock

BEVERLY, Grant County (AP) — Repairing Wanapum Dam will likely require anchoring the entire spillway to bedrock, not just one section where a crack was discovered, a utility official said.

The $61 million repair estimate includes the cost of installing anchors on each of the spillway's 12 monoliths or massive concrete sections, Grant County Public Utility District chief financial officer Kevin Nordt said Tuesday.

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